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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="numeric_conversion.history_and_acknowledgments"></a><a class="link" href="history_and_acknowledgments.html" title="History and Acknowledgments">History
    and Acknowledgments</a>
</h2></div></div></div>
<h4>
<a name="numeric_conversion.history_and_acknowledgments.h0"></a>
      <span class="phrase"><a name="numeric_conversion.history_and_acknowledgments.pre_formal_review"></a></span><a class="link" href="history_and_acknowledgments.html#numeric_conversion.history_and_acknowledgments.pre_formal_review">Pre-formal
      review</a>
    </h4>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Kevlin Henney, with help from David Abrahams and Beman Dawes, originally
          contributed the previous version of <code class="computeroutput"><span class="identifier">numeric_cast</span><span class="special">&lt;&gt;</span></code> which already presented the idea
          of a runtime range check.
        </li>
<li class="listitem">
          Later, Eric Ford, Kevin Lynch and the author spotted some genericity problems
          with that <code class="computeroutput"><span class="identifier">numeric_cast</span><span class="special">&lt;&gt;</span></code> which prevented it from being used
          in a generic layer of math functions.
        </li>
<li class="listitem">
          An improved <code class="computeroutput"><span class="identifier">numeric_cast</span><span class="special">&lt;&gt;</span></code> which properly handled all combinations
          of arithmetic types was presented.
        </li>
<li class="listitem">
          David Abrahams and Beman Dawes acknowledged the need of an improved version
          of <code class="computeroutput"><span class="identifier">numeric_cast</span><span class="special">&lt;&gt;</span></code>
          and supported the submission as originally laid out. Daryl Walker and Darin
          Adler made some important comments and proposed fixes to the original submission.
        </li>
<li class="listitem">
          Special thanks go to Björn Karlsoon who helped the author considerably.
          Having found the problems with <code class="computeroutput"><span class="identifier">numeric_cast</span><span class="special">&lt;&gt;</span></code> himself, he revised very carefully
          the original submission and spot a subtle bug in the range checking implementation.
          He also wrote part of this documentation and proof-read and corrected other
          parts. And most importantly: the features now presented here in this library
          evolved from the original submission as a result of the useful private
          communications between Björn and the author.
        </li>
</ul></div>
<h4>
<a name="numeric_conversion.history_and_acknowledgments.h1"></a>
      <span class="phrase"><a name="numeric_conversion.history_and_acknowledgments.post_formal_review"></a></span><a class="link" href="history_and_acknowledgments.html#numeric_conversion.history_and_acknowledgments.post_formal_review">Post-formal
      review</a>
    </h4>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          Guillaume Melquiond spoted some documentation and code issues, particularly
          about rounding conversions.
        </li>
<li class="listitem">
          The following people contributed an important review of the design, documentation
          and c ode: Kevin Lynch, Thorsten Ottosen, Paul Bristow, Daryle Walker,
          Jhon Torjo, Eric Ford, Gennadiy Rozental.
        </li>
</ul></div>
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<td align="right"><div class="copyright-footer">Copyright © 2004-2007 Fernando
      Luis Cacciola Carballal<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
      </p>
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